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| Mirrors > Home > MPE Home > Th. List > domentr | Structured version Visualization version GIF version | ||
| Description: Transitivity of dominance and equinumerosity. (Contributed by NM, 7-Jun-1998.) |
| Ref | Expression |
|---|---|
| domentr | ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | endom 8986 | . 2 ⊢ (𝐵 ≈ 𝐶 → 𝐵 ≼ 𝐶) | |
| 2 | domtr 9014 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
| 3 | 1, 2 | sylan2 605 | 1 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 class class class wbr 5103 ≈ cen 8950 ≼ cdom 8951 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-pow 5330 ax-pr 5398 ax-un 7737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-f1o 6540 df-en 8954 df-dom 8955 |
| This theorem is used by: domdifsn 9059 xpdom1g 9073 domunsncan 9076 sdomdomtr 9109 domen2 9119 mapdom2 9147 unxpdom2 9231 sucxpdom 9232 xpfir 9239 cardsdomelir 9979 infxpenlem 10017 xpct 10020 infpwfien 10066 inffien 10067 mappwen 10116 iunfictbso 10118 djuxpdom 10189 cdainflem 10191 djuinf 10192 djulepw 10196 ficardun2 10205 unctb 10207 infdjuabs 10208 infunabs 10209 infdju 10210 infdif 10211 infxpdom 10213 pwdjudom 10218 infmap2 10220 fictb 10247 cfslb 10269 fin1a2lem11 10413 fnct 10545 fnctOLD 10546 unirnfdomd 10577 iunctb 10584 alephreg 10592 cfpwsdom 10594 gchdomtri 10639 canthp1lem1 10662 pwfseqlem5 10673 pwxpndom 10676 gchdjuidm 10678 gchxpidm 10679 gchpwdom 10680 gchhar 10689 inttsk 10784 inar1 10785 tskcard 10791 znnen 16301 qnnen 16302 rpnnen 16316 rexpen 16317 aleph1irr 16335 cygctb 20020 lindsdom 22064 1stcfb 23671 2ndcredom 23676 2ndcctbss 23682 hauspwdom 23728 tx2ndc 23878 met1stc 24748 met2ndci 24749 re2ndc 25028 opnreen 25059 ovolctb2 25721 ovolfi 25723 uniiccdif 25807 dyadmbl 25829 opnmblALT 25832 vitali 25842 mbfimaopnlem 25884 mbfsup 25893 aannenlem3 26567 dmvlsiga 34640 sigapildsys 34674 omssubadd 34812 carsgclctunlem3 34832 karddom 35688 finminlem 36938 phpreu 38359 mblfinlem1 38407 pellexlem4 43674 pellexlem5 43675 pr2dom 44368 tr3dom 44369 nnfoctb 45883 ioonct 46368 caragenunicl 47353 eufunclem 50448 aacllem 50773 |
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